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Finding the Fourth Proportional to 124,843.92, 187,264 and 40,607.92

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Solution

The fourth proportional to 124,843.92, 187,264 and 40,607.92 is: 60,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.92 : 187,264 = 40,607.92 : x
  2. Step 2: Convert to fraction form
    124,843.92/187,264 = 40,607.92/x
  3. Step 3: Cross multiply
    124,843.92x = 187,264 × 40,607.92
  4. Step 4: Simplify right side
    124,843.92x = 7,604,401,530.88
  5. Step 5: Solve for x
    x = 7,604,401,530.88/124,843.92
  6. Step 6: Final answer
    x = 60,911.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.